The Motorola 68040 ("sixty-eight-oh-forty") is a 32-bit microprocessor from Motorola, released in 1990. It is the successor to the 68030 and is followed by the 68060. There was no 68050. In keeping with general Motorola naming, the 68040 is often referred to as simply the '040 (pronounced oh-four-oh or oh-forty).In Apple Macintosh computers, the 68040 was found mainly in the Macintosh Quadra, which was named for the chip.